#333C8D#333C8D

#333C8D is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.133 H 273.9°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#333C8D
RGB	rgb(51, 60, 141)
HSL	hsl(234, 47%, 38%)
HSV	hsv(234, 64%, 55%)
CMYK	cmyk(63.8%, 57.4%, 0%, 44.7%)
CIE-LAB	lab(29.05, 22.98, -46.27)
CIE-LCH	lch(29.05, 51.66, 296.41°)
OKLab	oklab(39.74% 0.009 -0.1329)
OKLCH	oklch(39.74% 0.133 273.9)
XYZ	xyz(7.7872, 5.8580, 25.9145)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333C8D #8D8433

analogous

#33698D #333C8D #57338D

triadic

#333C8D #8D333C #3C8D33

tetradic

#333C8D #8D3369 #8D8433 #338D57

square

#333C8D #8D3369 #8D8433 #338D57

split-complementary

#333C8D #8D5733 #698D33

monochromatic

#121633 #232960 #333C8D #434FBA #6F79CB

Accessibility & contrast

On white

9.67

#333C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#333C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333C8D

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333C8D	#FFFFFF	#000000	##FFFFFF
##333C8D	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004990

Deuteranopia (green-blind)

#00418B

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #333c8d;
/* rgb */ color: rgb(51, 60, 141);
/* oklch */ color: oklch(39.7% 0.133 273.9);

Tailwind

colors: {
  custom: {
    50: '#7571af',
    500: '#333c8d',
    950: '#000000',
  },
}

SCSS

$custom: #333c8d;
$custom-light: #7571af;
$custom-dark: #000000;

JSON

{
  "hex": "#333c8d",
  "rgb": {
    "r": 51,
    "g": 60,
    "b": 141
  },
  "hsl": {
    "h": 234,
    "s": 46.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.39736,
    "c": 0.13322,
    "h": 273.9
  },
  "luminance": 0.05859
}

Semantic roles & 50–950 ramp

primary

#333C8D

secondary

#B3AC69

accent

#C951D7

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#090710

muted

#7B7A7F

Preview Lab

Preview with #333C8D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →